Computer Networking
Which of the following is an important characteristic of LAN?

low cost access for low bandwidth channels
unlimited expansion
parallel transmission
application independent interfaces
None of these

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Computer Networking
The network layer, in reference to the OSI model, provide

All of these
data link procedures that provide for the exchange of data via frames that can be sent and received
None of these
the virtual circuit interface to packet-switched service
the interface between the X.25 network and packet mode device

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